EP2393083A4 - Method for encoding and decoding an audio signal and apparatus for same - Google Patents
Method for encoding and decoding an audio signal and apparatus for sameInfo
- Publication number
- EP2393083A4 EP2393083A4 EP10736005A EP10736005A EP2393083A4 EP 2393083 A4 EP2393083 A4 EP 2393083A4 EP 10736005 A EP10736005 A EP 10736005A EP 10736005 A EP10736005 A EP 10736005A EP 2393083 A4 EP2393083 A4 EP 2393083A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- decoding
- encoding
- same
- audio signal
- audio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/04—Time compression or expansion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090006668 | 2009-01-28 | ||
KR1020100007067A KR101622950B1 (en) | 2009-01-28 | 2010-01-26 | Method of coding/decoding audio signal and apparatus for enabling the method |
PCT/KR2010/000495 WO2010087614A2 (en) | 2009-01-28 | 2010-01-27 | Method for encoding and decoding an audio signal and apparatus for same |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2393083A2 EP2393083A2 (en) | 2011-12-07 |
EP2393083A4 true EP2393083A4 (en) | 2012-08-22 |
EP2393083B1 EP2393083B1 (en) | 2019-05-22 |
Family
ID=42754134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10736005.9A Active EP2393083B1 (en) | 2009-01-28 | 2010-01-27 | Method for decoding an audio signal |
Country Status (5)
Country | Link |
---|---|
US (2) | US8918324B2 (en) |
EP (1) | EP2393083B1 (en) |
KR (2) | KR101622950B1 (en) |
CN (3) | CN102460570B (en) |
WO (1) | WO2010087614A2 (en) |
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WO2011044700A1 (en) * | 2009-10-15 | 2011-04-21 | Voiceage Corporation | Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
MX2012004648A (en) * | 2009-10-20 | 2012-05-29 | Fraunhofer Ges Forschung | Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation. |
MX2012004569A (en) | 2009-10-20 | 2012-06-08 | Fraunhofer Ges Forschung | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values. |
WO2011086066A1 (en) | 2010-01-12 | 2011-07-21 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a modification of a number representation of a numeric previous context value |
CA3160488C (en) | 2010-07-02 | 2023-09-05 | Dolby International Ab | Audio decoding with selective post filtering |
EP2591470B1 (en) * | 2010-07-08 | 2018-12-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coder using forward aliasing cancellation |
US12002476B2 (en) | 2010-07-19 | 2024-06-04 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
EP4016527B1 (en) * | 2010-07-19 | 2023-02-22 | Dolby International AB | Processing of audio signals during high frequency reconstruction |
CA2813859C (en) * | 2010-10-06 | 2016-07-12 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (usac) |
KR101767175B1 (en) | 2011-03-18 | 2017-08-10 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | Frame element length transmission in audio coding |
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CN105745703B (en) | 2013-09-16 | 2019-12-10 | 三星电子株式会社 | Signal encoding method and apparatus, and signal decoding method and apparatus |
CN111968655B (en) | 2014-07-28 | 2023-11-10 | 三星电子株式会社 | Signal encoding method and device and signal decoding method and device |
EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
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WO2016066743A1 (en) * | 2014-10-31 | 2016-05-06 | Dolby International Ab | Parametric encoding and decoding of multichannel audio signals |
TWI771266B (en) * | 2015-03-13 | 2022-07-11 | 瑞典商杜比國際公司 | Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element |
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KR102383195B1 (en) * | 2017-10-27 | 2022-04-08 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | Noise attenuation at the decoder |
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-
2010
- 2010-01-26 KR KR1020100007067A patent/KR101622950B1/en active IP Right Grant
- 2010-01-27 CN CN201080014179.6A patent/CN102460570B/en active Active
- 2010-01-27 WO PCT/KR2010/000495 patent/WO2010087614A2/en active Application Filing
- 2010-01-27 CN CN201610094150.2A patent/CN105679327B/en active Active
- 2010-01-27 CN CN201610094376.2A patent/CN105702258B/en active Active
- 2010-01-27 EP EP10736005.9A patent/EP2393083B1/en active Active
- 2010-01-27 US US13/254,119 patent/US8918324B2/en active Active
-
2014
- 2014-12-22 US US14/579,706 patent/US9466308B2/en active Active
-
2016
- 2016-05-16 KR KR1020160059791A patent/KR101664434B1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
MAX NEUENDORF ET AL: "Detailed Technical Description of Reference Model 0 of the CfP on Unified Speech and Audio Coding (USAC)", 86. MPEG MEETING; 13-10-2008 - 17-10-2008; BUSAN; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, no. M15867, 9 October 2008 (2008-10-09), XP030044464 * |
Also Published As
Publication number | Publication date |
---|---|
CN105702258B (en) | 2020-03-13 |
US20110320196A1 (en) | 2011-12-29 |
CN105702258A (en) | 2016-06-22 |
KR101622950B1 (en) | 2016-05-23 |
WO2010087614A2 (en) | 2010-08-05 |
KR101664434B1 (en) | 2016-10-10 |
CN102460570A (en) | 2012-05-16 |
EP2393083A2 (en) | 2011-12-07 |
US8918324B2 (en) | 2014-12-23 |
KR20100087661A (en) | 2010-08-05 |
CN105679327A (en) | 2016-06-15 |
CN102460570B (en) | 2016-03-16 |
KR20160060021A (en) | 2016-05-27 |
US9466308B2 (en) | 2016-10-11 |
US20150154975A1 (en) | 2015-06-04 |
EP2393083B1 (en) | 2019-05-22 |
CN105679327B (en) | 2020-01-31 |
WO2010087614A3 (en) | 2010-11-04 |
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